[Event "San Sebastian Constitucion op 3rd "]
[Site "San Sebastian"]
[Date "2000.12.08"]
[Round "7"]
[White "Infante Martin, Alonso"]
[Black "Perez, Sergio"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "30"]
[EventDate "2000.12.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. c3 Bg4 4. Nbd2 g6 5. h3 Bxf3 6. Nxf3 Bg7 7. Bf4 Nf6 8. Qd2 0-0 9. Bh6 Ne4 10. Qe3 b5 11. Bxg7 Kxg7 12. Nh2 b4 13. c4 Nd6 14. cxd5 Nf5 15. Rd1 Nxe3 0-1

[Event "Onati op"]
[Site "Onati"]
[Date "1994.??.??"]
[Round "2"]
[White "Chuppirraz, JM."]
[Black "Perez, Sergio"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "76"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. h3 e6 4. Nf3 Nbd7 5. e3 c5 6. Bb5 a6 7. Bxd7+ Bxd7 8. c3 Be7 9. 0-0 0-0 10. Nbd2 Rc8 11. Rc1 Qb6 12. b3 Bc6 13. c4 Rfd8 14. Qe2 Ne4 15. Nxe4 dxe4 16. Ne5 Be8 17. Rcd1 f6 18. dxc5 Bxc5 19. Rxd8 Rxd8 20. Rd1 fxe5 21. Rxd8 Qxd8 22. Bxe5 Qg5 23. Bf4 Bh5 24. Bxg5 Bxe2 25. Bd8 Bd3 26. Ba5 b6 27. b4 bxa5 28. bxc5 Bxc4 29. c6 Bb5 30. c7 Bd7 31. f3 Kf7 32. fxe4 e5 33. Kf2 Ke6 34. g4 g5 35. Kg3 Kd6 36. h4 h6 37. a3 Kxc7 38. hxg5 hxg5 0-1

[Event "Onati op"]
[Site "Onati"]
[Date "1994.??.??"]
[Round "3"]
[White "Perez, Sergio"]
[Black "Garcia, R."]
[Result "0-1"]
[ECO "B03"]
[PlyCount "62"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nc3 e6 9. h3 Nb4 10. Rc1 c5 11. Nf3 Rc8 12. a3 Nc6 13. d5 Na5 14. Be2 Qd7 15. g4 Bg6 16. dxe6 fxe6 17. Qxd7+ Nxd7 18. 0-0 Be7 19. Rfd1 Nb3 20. Nb5 Nxc1 21. Bxc1 a6 22. Nd6+ Bxd6 23. Rxd6 Rc6 24. Rd1 Rf8 25. Bg5 h6 26. Bh4 Be4 27. Nd2 Bh7 28. Bf3 Rb6 29. Ne4 Rxf3 30. Nd6+ Rxd6 31. Rxd6 Bg8 0-1

[Event "Onati op"]
[Site "Onati"]
[Date "1994.??.??"]
[Round "6"]
[White "Perez, Sergio"]
[Black "Gutierrez Mingueza, Ruben"]
[Result "1/2-1/2"]
[ECO "B18"]
[PlyCount "43"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 e6 7. N1e2 h6 8. Nf4 Ne7 9. 0-0 Nd7 10. Re1 Nf6 11. Nxg6 Nxg6 12. c3 Bd6 13. Bd3 Nf4 14. Bxf4 Bxf4 15. Nh5 Nxh5 16. Qxh5 0-0 17. Qf3 Bg5 18. g3 Bf6 19. h4 Qd5 20. Qe4 Qxe4 21. Bxe4 Rac8 22. Rad1 1/2-1/2

[Event "Onati op"]
[Site "Onati"]
[Date "1994.??.??"]
[Round "5"]
[White "Perez Asenjo, Ana Isabel"]
[Black "Perez, Sergio"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "101"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 h6 5. 0-0 Bc5 6. c3 dxc3 7. Nxc3 Nge7 8. b3 0-0 9. Nh4 Ne5 10. Nf5 Nxf5 11. exf5 Nxc4 12. bxc4 d6 13. Qh5 Bd4 14. Bd2 Bxc3 15. Bxc3 Qg5 16. Qxg5 hxg5 17. g4 Re8 18. f4 gxf4 19. Rxf4 Bd7 20. Kf2 Bc6 21. g5 Re4 22. Rxe4 Bxe4 23. f6 g6 24. Re1 Re8 25. Re3 Bc6 26. Re7 Rc8 27. h4 b5 28. cxb5 Bxb5 29. Ke3 Bc4 30. a3 Kf8 31. Kd4 Be6 32. Kd3 a6 33. Ba5 c5 34. Ra7 d5 35. Rxa6 Bf5+ 36. Kd2 c4 37. Rd6 Be4 38. a4 Ke8 39. Kc3 Rb8 40. Bb6 Rc8 41. a5 Ra8 42. a6 d4+ 43. Rxd4 Bc6 44. a7 Bb7 45. Rxc4 Bd5 46. Rc7 Bf3 47. Bc5 Bd5 48. Re7+ Kd8 49. Kd4 Be6 50. Ke5 Rc8 51. Bb6+ 1-0

